TELEPHONE No. 135


Laryngaphone wall Telephone.

For use on CBS No.1 and Magneto systems.

The handset is a Tele No. 186.

Diagram is dated 1931.

Laryngaphones where used in noisy environments.  Many wall mounted models were used in Zeppelins and the like.

Circuit diagram - N235.
 


 

 
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Last revised: November 20, 2021

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